How to use connection proxy for PuTTY

You can use Host 1 as a bridge to connect to Host 2 by PuTTY..

You can even setup chain of bridge to do that .

i.e. You => Host1 => Host 2 => Host 3 ..

First , you setup a SESSION for You => Host 1 => Host 2..

Then you can use this session and setup You => SESSION=> Host #

Here is the way to setup it ..